Patents Assigned to Chiun Mai Communication Systems, Inc.
  • Patent number: 12035474
    Abstract: A method and a system for stacking printed circuit boards includes providing a lower baseboard, a pinboard, and an upper baseboard; printing a first solder paste on the lower baseboard; placing a placement component on the lower baseboard; placing the pinboard on the lower baseboard; reflow soldering the lower baseboard with the placement component and the pinboard and forming a first assembly; printing the first solder paste and a second solder paste on the upper baseboard; placing the placement component on the upper baseboard and the first assembly on the upper baseboard; and reflow soldering the upper baseboard with the placement component and the first assembly and forming a printed circuit board; a melting point of the first solder paste is higher than a melting point of the second solder paste.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: July 9, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chi-Yi Liao, Yen-Chung Huang, Wen-Yu Wang
  • Publication number: 20240186704
    Abstract: A circular polarized antenna array module and a wireless communication device, including a plurality of circular polarized transmitting antennas and circular polarized receiving antennas, a dielectric substrate, and a plurality of first group of phase shifting units and second group of phase shifting units. In each row of the circular polarized transmitting/receiving antennas, every two adjacent circular polarized transmitting/receiving antennas arranged with a distance, each of the circular polarized transmitting antennas arranged with a first feed point and a second feed point, each of the circular polarized receiving antennas arranged with a third feed point and a fourth feed point. Each row of the circular polarized transmitting antennas and each row of the circular polarized receiving antennas alternately placed to form array arranged on the dielectric substrate.
    Type: Application
    Filed: August 29, 2023
    Publication date: June 6, 2024
    Applicant: Chiun Mai Communication Systems, Inc.
    Inventors: CHENG-AN CHEN, CHIA-HUNG SU, CHANG-CHING HUANG, LUNG-TA CHANG, SHU-WEI JHANG
  • Patent number: 11973261
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Kun-Lin Sung, Yung-Chin Chen, Yi-Chieh Lee
  • Patent number: 11966255
    Abstract: A fixing structure used to connect a display panel to a housing of an electronic device during manufacture of the electronic device includes a fixing member, an auxiliary member spaced apart from the fixing member, and supporting posts disposed between the fixing member and the auxiliary member. The fixing member is to be bonded to the display panel. A projection of an outer edge of the auxiliary member on a plane of the fixing member is outside of an outer edge of the fixing member. The supporting posts and the auxiliary member are removed after the display panel is bonded to the fixing member. A method for assembling the display panel with the fixing structure is also disclosed.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: April 23, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chia-Ju Lin, Fu-Hsin Sung, Meng-Yu Chou
  • Patent number: 11962063
    Abstract: An antenna structure with multiple frequency capabilities applied to an electronic device includes frame body, first feed point, a first switch point, and second switch point. The frame body has at least one portion made of metal material and defines two gaps. The frame body between gaps form a first radiation portion. The first feed point from a source feeds current and signal to the first radiation portion. The first switch point and the second switch point are located at two ends of the frame body adjacent to the first gap. The first switch point and the second switch point are grounded through a switch circuit.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: April 16, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11952004
    Abstract: A lane change assistance method is provided. The method includes recognizing styles of two traffic lines corresponding to a lane where a vehicle is located. Whether the vehicle violates traffic rules is determined according to the styles of the two traffic lines when the vehicle is performing an operation of changing lanes. A prompt is issued when the vehicle violates traffic rules.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: April 9, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Hsiu-Hua Yen, Jian-Cheng Lin, Chih-Pu Hsu
  • Patent number: 11951638
    Abstract: A method for determining a standard depth value of a marker includes obtaining a maximum depth value of the marker. A reference depth value of the marker is obtained based on a depth image of the marker, and a Z-axis coordinate value of the marker is obtained based on a color image of the marker. When the reference depth value and the Z-axis coordinate value are both less than the maximum depth value, and a difference between the reference depth value and the Z-axis coordinate value is not greater than 0, the depth reference value is set as the standard depth value of the marker; and when the difference is greater than 0, the Z-axis coordinate value is set as the standard depth value of the marker.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: April 9, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Tung-Chun Hsieh, Chung-Wei Wu, Chih-Wei Li, Chia-Yi Lin
  • Patent number: 11923599
    Abstract: An antenna structure applied in a wireless communication device includes a metal frame, a first feed portion, a second feed portion, and a ground portion. The metal frame defines a first gap and a second gap. A portion of the metal frame positioned between the first gap and the second gap forms the first radiation portion. The first feed portion is electrically connected to the first radiation portion and a first signal feed point for feeding current and signals to the first radiation portion. The second feed portion is positioned apart from the first feed portion, electrically connected to the first radiation portion and a second signal feed point for feeding current and signal to the first radiation portion. The ground portion is positioned between the first feed portion and the second feed portion and is connected to the first radiation portion for grounding the first radiation portion.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: March 5, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11910152
    Abstract: An earphone of adjustable size to fit the ears of different users includes a housing, a speaker, an air path, an inflatable earplug, and a control assembly. The speaker and at least one part of the air path are arranged in the housing. The inflatable earplug communicates with the air path and is detachably attached to the housing. The control assembly is arranged outside of the housing and configured to inflate and deflate the inflatable earplug through the air path.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: February 20, 2024
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Ching-Ming Hung, Sheng-Hsiung Tsai, Pei-Shuang Huang
  • Patent number: 11855334
    Abstract: An antenna module includes a substrate, a radiation portion, and an active circuit. The radiation portion and the active circuit are both arranged on the substrate. The radiation portion is a complete sheet body made of conductive material, at least one signal feed point is arranged on one side of the radiation portion to feed electrical signals to the radiation portion. The radiation portion defines at least one slot, the slot divides the radiation portion into radiation branches arranged at intervals. Each radiation branch is electrically connected to a signal feeding point, so as to feed electric signals to the radiation branch. The active circuit is electrically connected to the radiation portion to switch radiation modes of the radiation portion. The application also provides an electronic device with the antenna module.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: December 26, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11798292
    Abstract: A driving assistant method applied to a first moving vehicle is provided. The method includes capturing an image of a license plate of a second moving vehicle when the first moving vehicle is moving, and identifying a first area of the license plate in the captured image. Basic information of the second moving vehicle are obtained according to a size of the first area. Once a safe distance is determined according to driving information of the first moving vehicle and the basic information of the second moving vehicle, a warning message is transmitted when the distance between the first moving vehicle and the second moving vehicle is less than the safe distance.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: October 24, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chih-Pu Hsu, Jian-Cheng Lin, Pei-Lin Chen, Tsung-Chun Tseng, Chien-Chun Chang
  • Patent number: 11800669
    Abstract: A non-protruding connecting structure allowing zero to 360 degrees and any intermediate angle of relative rotation between two display screens includes a hinge assembly, a first shaft body, a second shaft body, and a fixing member. The hinge assembly includes first and second wheels sleeved on first and second shaft bodies, and an enmeshed worm engaged with the first and second wheels. A central axis of the first wheel is parallel to that of the second wheel. The axis of the worm is perpendicular to that of the first and second wheels. A rotation direction of the first wheel is opposite to that of the second wheel. The fixing member fixes the hinge assembly. An electronic device including the connecting structure is also disclosed.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: October 24, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chia-Ju Lin, Fu-Hsin Sung
  • Patent number: 11791540
    Abstract: A signal feeding assembly to a radiating element which is not formed from a metal frame or casing includes a substrate, a signal coupling unit, a switching unit, and a transmission unit. The switching unit includes at least two switching output ends. The transmission unit can transmit and receive a baseband signal and an RF signal. The signal coupling unit is spaced from a radiation element and can generate a plurality of radiation modes. The signal coupling unit includes at least two coupling pieces. Each coupling piece is electrically connected to a switching output end. The switching unit controls switching of the coupling pieces through the switching output ends and can switch a plurality of radiation modes. The application also provides an antenna module and an electronic device.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: October 17, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho, Yen-Hui Lin, Wei-Cheng Su
  • Patent number: 11768424
    Abstract: A fixing device for accurately fixing an optical assembly to a rear housing of an electronic device fixes the optical assembly in a predetermined position and includes a cover plate. The cover plate defines a hole and a limiting portion. The hole corresponds to a photosensitive portion of the optical assembly and the photosensitive portion is configured to protrude out of the cover plate. The limiting portion is configured to limit a movement of the optical assembly away from the rear housing before being fixed in position. The fixing device fixes the optical assembly in the predetermined position so that the assembly accuracy and efficiency are improved. An optical module including the fixing device, and an electronic device including the optical module are also provided.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: September 26, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chia-Ju Lin, Meng-Yu Chou, Fu-Hsin Sung
  • Patent number: 11758313
    Abstract: An electronic device includes a circuit board, a protective assembly, and a protective film. The protective assembly providing a cavity is arranged on one side of the circuit board. The protective assembly includes a first protective unit and a second protective unit. A third through hole communicating with the cavity is defined in the first protective unit. A supporting surface is defined on the second protective unit facing the third through hole. A projection of the third through hole is overlapped with a projection of the supporting surface along the first direction. The protective film is coupled to the protective assembly and arranged in the cavity to divide the cavity into a first cavity and a second cavity. The above-mentioned electronic device resists deformation of the protective film by setting the second protective unit between the circuit board and the protective film.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: September 12, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Ching-Ming Hung, Sheng-Hsiung Tsai, Pei-Shuang Huang
  • Patent number: 11699841
    Abstract: An antenna structure with multiple frequency and MIMO capabilities applied to an electronic device includes back board, side frame, first feed point, second feed point, and first ground point. The side frame defines at least a first gap and a second gap. The first and second gaps create first and second radiation portions from the side frame. The first feed point from a source feeds current and signal to the first radiation portion. The second feed point from a source feeds current and signal to the second radiation portion. The first ground point is positioned between the first and second feed points. When the first feed point and the second feed point supply current, the first radiation portion and the second radiation generate at least one common radiation frequency band together with others.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: July 11, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11637361
    Abstract: An antenna structure includes a metal frame, a feeding portion, and a first ground portion. The metal frame is provided with a slot, a first gap, a second gap, and a third gap. The first gap, the second gap, and the third gap are coupled to the slot, and the slot, the first gap, the second gap, and the third gap divide the metal frame into a radiating portion and a first coupling portion. A portion of the metal frame between the first gap and the third gap form the radiating portion, and a portion of the metal frame between the second gap and the third gap form the first coupling portion. The feeding portion is electrically coupled to the radiating portion to feed an electric signal to the radiating portion. The first ground portion is electrically coupled to the radiating portion to provide ground to the radiating portion.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 25, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Yung-Chin Chen, Kun-Lin Sung, Yi-Chieh Lee
  • Patent number: 11631943
    Abstract: An antenna structure applied in a wireless communication device includes a frame, a first feed portion, a second feed portion, and a ground portion. The frame defines at least a first gap and a second gap. The first gap and the second gap collectively divide the frame into a first radiation portion and a second radiation portion. The first feed portion is electrically connected to the first radiation portion and a first signal feed point for feeding currents and signals to the first radiation portion. The second feed portion is electrically connected to the second radiation portion and a second signal feed point for feeding currents and signals to the second radiation portion. When the first radiation portion and the second radiation portion supply currents, respectively, the first radiation portion and the second radiation portion generate radiation signals in at least one same frequency band.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: April 18, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Cho-Kang Hsu, Min-Hui Ho
  • Patent number: 11621498
    Abstract: An antenna structure of reduced size but operating at multiple frequencies, applied to an electronic device, includes a housing, a system ground plane, and a first feed point. The housing has at least one portion made of metal material and defines a first gap and a second gap. The housing between the first gap and the second gap forms a first radiation portion. The system ground plane is positioned in the housing and defines a first slit. The first slit corresponds to the first radiation portion and communicates with the second gap. The first feed point is positioned on the first radiation portion and is electrically connected to a first feed source for feeding current and signal to the first radiation portion.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 4, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yi-Ting Chen
  • Patent number: 11618169
    Abstract: A method for determining coordinates of a mechanical arm includes taking a first picture of a marker on a target object on a first jig, obtaining first position coordinates of the marker, calculating reference position coordinates, controlling the mechanical arm to move to the reference position coordinates, moving the mechanical arm from the reference position coordinates to an intermediate position, setting current position coordinates as intermediate position coordinates, moving the mechanical arm from the intermediate position to a target position, setting current position coordinates as target position coordinates, moving the target object onto a second jig, taking a second picture of the marker to obtain second position coordinates, calculating reference position coordinates based on the second position coordinates, controlling the mechanical arm to move to the reference position coordinates, calculating intermediate position coordinates corresponding to the second jig, and calculating target position c
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: April 4, 2023
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chung-Wei Wu, Tung-Chun Hsieh, Chih-Wei Li, Sung-Chuan Lee, Tze-Chin Lo